AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.8K Followers • 16:00, Nov 04 Local time
12
US AQI⁺Good
Main pollutant:
PM2.5
2.2 µg/m³
17°
19 km/h
71 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 35 |  | 21° 14° |  18 km/h | 65% |
| Thu | 31 |  | 21° 14° | 14 km/h | 62% |
| Fri | 28 | | 23° 15° | 14 km/h | 49% |
Air pollutants
What is the current air quality in San Mateo?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Clean Air Facilities
Pollen
What is the pollen count in San Mateo today?
Index
Moderate
 Tree Low | 25% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Mateo today?
Index
Moderate
Tree Low | 25% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near San Mateo
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Clean Air Facilities
Most polluted locations near San Mateo
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in San Mateo?
- Idaho St. San Mateo0
- Parrott Drive3
- San Mateo Park8
- CuriOdyssey at Coyote Point9
- 31st Ave10
- Central San Mateo11
- BV.SM Upper12
- Belford Way12
- East Poplar Avenue12
- North Central-Ellsworth Court12
- 13th Avenue13
- Baywood - Aragon13
- Durand Drive13
- Leafwood Court13
- North Claremont St13
- Occidental Avenue13
- Saint Matthew's Avenue15
- Arroyo Ct16
- Meowchi Heaven - Park Place - San Mateo16
- 213-201 Irving St17
- Beresford Park17
- Hayward Park on El Camino17
- North Quebec Street17
- Sugarloaf17
- Monterey Trailhead18
- 113 West 40th Avenue19
- 238 41st Avenue19
- 37th Avenue19
- Iowa Drive19
- Pinewood Court19
- Noe Avenue20
- Sylvan Avenue20
- Mid Hillsdale Blvd21
- North Central-3rd Ave and S Grant St21
- Stratford Way21
- West Capistrano Way26
- Queens Lane / Lakewood Circle29
